Question

I'd love some help...


Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 15 mph faster than Car A.

How fast did Car B travel?

mph

Answer 1

Hi again, @cody7744

Answer 2

hi there skylarz

Answer 3

Any guesses?

Answer 4

do you have an equation i can work off of

Answer 5

it would be helpful

Answer 6

Unfortunately, I am lost completely. So, no.

Answer 7

ok lets see here

Answer 8

hold on this might take me a while

Answer 9

Alright, Take your time.

Answer 10

k thx

Answer 11

@zimmah Help please?

Answer 12

Any Ideas?

Answer 13

ye, moment please, there's several others asking for help as well

Answer 14

Okay thank you.

Answer 15

do you happen to know the distance

Answer 16

Im sorry this was all i was given.

Answer 17

ok so

Answer 18

the distance traveled s equal for both cars, that's a given.

let's call the distance D

let's call the speed of car A a and the speed of car B b.

Car A took 2 hours to travel a distance of D.

So D = 2a

Car B took 1.5 hours to travel distance D so

D = 1.5b

Answer 19

We also know that b = a+15

Answer 20

Fantastic! Thank you very much.

Answer 21

can you work it out from there?

Answer 22

I think so.

Answer 23

alright tell me if you get stuck

Answer 24

Awesome, Thanks

Answer 25

is 25.5 correct?

Answer 26

i didn't actually solve it, let me check

Answer 27

what would 22.5 be by the way?

Answer 28

25.5*

Answer 29

oh wait they only asked for B my bad

Answer 30

i'm getting a different answer, how did you arrive at that?

Answer 31

@Skylarz